The sum of 1/2 and the square root of 4 is rational or irrational

the square root of 4 is a real number while 1/2 is a rational number

Step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

the answer is 13 cm